A mathematical sentence, also called mathematical statement, statement, or proposal, is a sentence that can be identified as either true or false.
For example, " 6 is a prime number " is a mathematical sentence or simply statement.
Of course, " 6 is a prime number " is a false statement!
6 + 8 = 2 × 7 ( This is a true statement )
9 + 1 = 0 + 11 ( This is a false statement )
If an integer n is odd, then 2n is an even number.( This is a true statement)
A stop sign is not in the shape of an octagon (This is a false statement)